本文整理汇总了Python中panda3d.core.PNMImage.get_num_channels方法的典型用法代码示例。如果您正苦于以下问题：Python PNMImage.get_num_channels方法的具体用法？Python PNMImage.get_num_channels怎么用？Python PNMImage.get_num_channels使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类panda3d.core.PNMImage的用法示例。
在下文中一共展示了PNMImage.get_num_channels方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: load_3d_texture
# 需要导入模块: from panda3d.core import PNMImage [as 别名]
# 或者: from panda3d.core.PNMImage import get_num_channels [as 别名]
def load_3d_texture(cls, fname, tile_size_x, tile_size_y=None, num_tiles=None):
""" Loads a texture from the given filename and dimensions. If only
one dimensions is specified, the other dimensions are assumed to be
equal. This internally loads the texture into ram, splits it into smaller
sub-images, and then calls the load_3d_texture from the Panda loader """
# Generate a unique name to prevent caching
tempfile_name = "$$SliceLoaderTemp-" + str(time.time()) + "/"
# For quaddratic textures
tile_size_y = tile_size_x if tile_size_y is None else tile_size_y
num_tiles = tile_size_x if num_tiles is None else num_tiles
# Load sliced image from disk
source = PNMImage(fname)
width = source.get_x_size()
# Find slice properties
num_cols = width // tile_size_x
temp = PNMImage(
tile_size_x, tile_size_y, source.get_num_channels(), source.get_maxval())
# Construct a ramdisk to write the files to
vfs = VirtualFileSystem.get_global_ptr()
ramdisk = VirtualFileMountRamdisk()
vfs.mount(ramdisk, tempfile_name, 0)
# Extract all slices and write them to the virtual disk
for z_slice in range(num_tiles):
slice_x = (z_slice % num_cols) * tile_size_x
slice_y = (z_slice // num_cols) * tile_size_y
temp.copy_sub_image(source, 0, 0, slice_x, slice_y, tile_size_x, tile_size_y)
temp.write(tempfile_name + str(z_slice) + ".png")
# Load the de-sliced texture from the ramdisk
texture_handle = Globals.loader.load3DTexture(tempfile_name + "/#.png")
# This should never trigger, but can't hurt to have
assert texture_handle.get_x_size() == tile_size_x
assert texture_handle.get_y_size() == tile_size_y
assert texture_handle.get_z_size() == num_tiles
# Finally unmount the ramdisk
vfs.unmount(ramdisk)
return texture_handle示例2: load_sliced_3d_texture
# 需要导入模块: from panda3d.core import PNMImage [as 别名]
# 或者: from panda3d.core.PNMImage import get_num_channels [as 别名]
def load_sliced_3d_texture(cls, fname, tile_size_x, tile_size_y=None, num_tiles=None):
""" Loads a texture from the given filename and dimensions. If only
one dimensions is specified, the other dimensions are assumed to be
equal. This internally loads the texture into ram, splits it into smaller
sub-images, and then calls the load_3d_texture from the Panda loader """
tempfile_name = "/$$slice_loader_temp-" + str(time.time()) + "/"
tile_size_y = tile_size_x if tile_size_y is None else tile_size_y
num_tiles = tile_size_x if num_tiles is None else num_tiles
# Load sliced image from disk
source = PNMImage(fname)
width = source.get_x_size()
# Find slice properties
num_cols = width // tile_size_x
temp_img = PNMImage(
tile_size_x, tile_size_y, source.get_num_channels(), source.get_maxval())
# Construct a ramdisk to write the files to
vfs = VirtualFileSystem.get_global_ptr()
ramdisk = VirtualFileMountRamdisk()
vfs.mount(ramdisk, tempfile_name, 0)
# Extract all slices and write them to the virtual disk
for z_slice in range(num_tiles):
slice_x = (z_slice % num_cols) * tile_size_x
slice_y = (z_slice // num_cols) * tile_size_y
temp_img.copy_sub_image(source, 0, 0, slice_x, slice_y, tile_size_x, tile_size_y)
temp_img.write(tempfile_name + str(z_slice) + ".png")
# Load the de-sliced texture from the ramdisk
texture_handle = cls.load_3d_texture(tempfile_name + "/#.png")
vfs.unmount(ramdisk)
return texture_handle